JT Sprockets

Online Catalogue

Yamaha RZ250 S,T,W (1AR)

1986 to 1987

Front Sprocket

Steel Front Sprocket

Part Number: JTF569

Teeth: 16

Available Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR846

Teeth: 41

Available Sizes: 37, 39, 40, 41, 43, 45

Drive Chain

Pitch: 520

Length: 108

Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.

Gear Ratio Chart

TeethFront Sprocket
Rear Sprocket412.56

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)